Examlex
A star cluster of age 100 million years contains no type O stars.
Personality Disorders
Personality styles that are characterized by inflexible and pervasive behavioural patterns, often cause serious personal and social difficulties, and impair general functioning.
Systematic Desensitization
A psychotherapy technique aimed at reducing anxiety or fear by gradually exposing the patient to the anxiety source.
Fear-Inducing Stimuli
Objects, events, or situations that elicit a fear response, often used in psychological research or therapy.
Hierarchy
A system or organization in which people or groups are ranked one above the other according to status or authority.
Q1: In a large sampling of stars, the
Q3: What is a planetary nebula?<br>A)the bipolar jets
Q3: An interstellar gas cloud has the mass
Q4: The most important fact about a cluster
Q42: The expansion of the universe means that
Q81: Brown dwarfs most commonly form in the
Q84: A hypernova creates:<br>A)a black hole.<br>B)a pulsar.<br>C)a neutron
Q85: What use are 21 cm radio waves
Q85: For our Sun, the production of carbon
Q102: A star similar to Sirius A has